sphenoid
Americanadjective
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being in the shape of a wedge; wedge-shaped.
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Anatomy. of or relating to the compound bone of the base of the skull, at the roof of the pharynx.
noun
adjective
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wedge-shaped
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of or relating to the sphenoid bone
noun
Other Word Forms
Etymology
Origin of sphenoid
1725–35; < New Latin sphēnoīdēs < Greek sphēnoeidḗs. See sphen-, -oid
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I watched mine perform a complicated skull-based surgery — the removal of a sphenoid meningioma.
From Salon ● Nov. 20, 2022
It is located within the body of the sphenoid bone, just anterior and inferior to the sella turcica, thus making it the most posterior of the paranasal sinuses.
From Textbooks ● Jun. 19, 2013
The sphenoid has multiple openings for the passage of nerves and blood vessels, including the optic canal, superior orbital fissure, foramen rotundum, foramen ovale, and foramen spinosum.
From Textbooks ● Jun. 19, 2013
The middle cranial fossa is divided at the midline by the upward bony prominence of the sella turcica, a part of the sphenoid bone.
From Textbooks ● Jun. 19, 2013
Spheneth′moid, pertaining to the sphenoid and the ethmoid bone; Sphē′nō-fron′tal, -mā′lar, -pal′atine, -parī′etal, -tem′poral, pertaining to the sphenoid and frontal, malar, palatine, parietal, and temporal bones respectively.—n.
From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various
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